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Synthesis of dibenzothiazines from sulfides by one-pot N,O-transfer and intramolecular C–H amination

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Abstract

Herein, we report a metal-free and step-economic synthesis of dibenzothiazines from 2-biphenyl sulfides under mild reaction conditions. The reaction involves a sulfoximination of sulfides and intramolecular C–H amination using readily available reagents (NH4)3PO4·3H2O as the N-source, PhI(OAc)2 as the oxidant and DMF as the solvent.

Graphical abstract: Synthesis of dibenzothiazines from sulfides by one-pot N,O-transfer and intramolecular C–H amination

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Publication details

The article was received on 04 Apr 2018, accepted on 14 May 2018 and first published on 14 May 2018


Article type: Communication
DOI: 10.1039/C8GC01057A
Citation: Green Chem., 2018, Advance Article
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    Synthesis of dibenzothiazines from sulfides by one-pot N,O-transfer and intramolecular C–H amination

    Y. Ma, C. Guo, Q. Zhao, J. Zhang and X. Chen, Green Chem., 2018, Advance Article , DOI: 10.1039/C8GC01057A

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